1a6a5328dea54cda8345b39dde41db2f7665de663500fbf2938d5a5ba3e64b1b

Analysis

max time kernel
150s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
24/09/2026, 04:26

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General

Target
jaffacakes118_1a6a5328dea54cda8345b39dde41db2f7665de663500fbf2938d5a5ba3e64b1b.exe
Size 48KB
Sample260924-e2jegsyeqd
SHA256 1a6a5328dea54cda8345b39dde41db2f7665de663500fbf2938d5a5ba3e64b1b
MD5 d5ec9befcfa4a8410c16ea96582b4736
SHA1 4a5c08a23ee4f595e46adb707099c6e42eb70fab
SHA512 37d53b571305b6bcee58aa2d14e346d39ce9b05997b4faad2153d48fda0b3b3f83665564cfb9574048dbefa2cd2b33511bf736955925f560c45c3b7f52bc5b97
SSDEEP 768:n6x0Ng5ApKZn8RdO9mnqybJkuk/Q0at5oxLBHIf:n6xqgApKZG0YWuqyGVhI
TLSH
T132236C07A92158F2C6DE017030BE7B260EB75E34837AD9E3CAEB3F855DB02135525A1B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

discovery execution persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
4928	lenschk.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\lensch.dll	jaffacakes118_1a6a5328dea54cda8345b39dde41db2f7665de663500fbf2938d5a5ba3e64b1b.exe
File created	C:\Windows\SysWOW64\lenschk.exe	jaffacakes118_1a6a5328dea54cda8345b39dde41db2f7665de663500fbf2938d5a5ba3e64b1b.exe
File opened for modification	C:\Windows\SysWOW64\lenschk.exe	jaffacakes118_1a6a5328dea54cda8345b39dde41db2f7665de663500fbf2938d5a5ba3e64b1b.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3500	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_1a6a5328dea54cda8345b39dde41db2f7665de663500fbf2938d5a5ba3e64b1b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lenschk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 4928	3832	jaffacakes118_1a6a5328dea54cda8345b39dde41db2f7665de663500fbf2938d5a5ba3e64b1b.exe	86
PID 3832 wrote to memory of 3500	3832	jaffacakes118_1a6a5328dea54cda8345b39dde41db2f7665de663500fbf2938d5a5ba3e64b1b.exe	102

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_1a6a5328dea54cda8345b39dde41db2f7665de663500fbf2938d5a5ba3e64b1b.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_1a6a5328dea54cda8345b39dde41db2f7665de663500fbf2938d5a5ba3e64b1b.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3832
- C:\Windows\SysWOW64\lenschk.exe
  C:\Windows\system32\lenschk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4928
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_1a6a5328dea54cda8345b39dde41db2f7665de663500fbf2938d5a5ba3e64b1b.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:3500

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

jaffacakes118_1a6a5328dea54cda8345b39dde41db2f7665de663500fbf2938d5a5ba3e64b1b.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_1a6a5328dea54cda8345b39dde41db2f7665de663500fbf2938d5a5ba3e64b1b.exe.bat
Size 274B
SHA256 a39288684d4bfa1c315f3712fef6f2f95ee3cc9c580838ad0dd74d55fbdbfcdd
MD5 8128e0bb79e40066a10324080d610b0f
SHA1 b33624f45fbe9150f88773ca5cb7e87bfa4b2bc6
SHA512 bd67551ea25b8b0f0fdc77c2bfb55b4c30e847feb3567b1f7ff6f75e3f0de94f6fd27fdfd6486fbdbf49e35a98fbffb7e66c5fd85919c33f8dc8437e04fd6a66
TLSH
T1DFD02B56421681818888DB0F45250E0D9323473A2FC82F116731C2F823A313677C1385
MD5 SHA1 SHA512 TLSH

Submit Download

lenschk.exe

Path C:\Windows\SysWOW64\lenschk.exe
Size 48KB
SHA256 1a6a5328dea54cda8345b39dde41db2f7665de663500fbf2938d5a5ba3e64b1b
MD5 d5ec9befcfa4a8410c16ea96582b4736
SHA1 4a5c08a23ee4f595e46adb707099c6e42eb70fab
SHA512 37d53b571305b6bcee58aa2d14e346d39ce9b05997b4faad2153d48fda0b3b3f83665564cfb9574048dbefa2cd2b33511bf736955925f560c45c3b7f52bc5b97
SSDEEP 768:n6x0Ng5ApKZn8RdO9mnqybJkuk/Q0at5oxLBHIf:n6xqgApKZG0YWuqyGVhI
TLSH
T132236C07A92158F2C6DE017030BE7B260EB75E34837AD9E3CAEB3F855DB02135525A1B
MD5 SHA1 SHA512 SSDEEP TLSH